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Author Subject: annoying wheel wobble
sj.lucas

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Location: Petersfield

Registered: 20 Jun 2011

Posts: 174

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Post #1
Have a wobble on steering when braking lightly or hard at 70... have changed brakes, wheels and struts. Any sensible ideas would be great Smile

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Posted 27th Nov 2012 at 21:52
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,864

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Post #2
Warped front disc 100%

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Posted 27th Nov 2012 at 21:56
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,839

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Post #3
track rods, P bushes.

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Posted 27th Nov 2012 at 21:57
eliotrw

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Location: Southwark

Registered: 18 Jul 2010

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Post #4
Oh s**t you changed brakes.... discs and pads on both sides?
Interesting.

Think welshpug might be right as i had a similar feeling when i had a loose tre
But it was more present than just at a certain speed when braking.

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Posted 27th Nov 2012 at 22:00
swiftyboi006

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Location: Maidenhead

Registered: 12 Apr 2010

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Post #5
eliotrw wrote:
Warped front disc 100%
really? 100% so this man is now going out to buy new discs and pads and it may well be something else..........poor man Sad

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Posted 27th Nov 2012 at 22:00
eliotrw

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Location: Southwark

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Post #6
Yeah missed the bit about already (possibly) changing them.
Although i had an identical issue once
Put it in for mot and low and behold the mechanic fitted discs after doing a quick test as there was imbalance due to the warpage

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Posted 27th Nov 2012 at 22:03
sj.lucas

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Location: Petersfield

Registered: 20 Jun 2011

Posts: 174

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Post #7
eliotrw wrote:
Oh s**t you changed brakes.... discs and pads on both sides?
Interesting.

Think welshpug might be right as i had a similar feeling when i had a loose tre
But it was more present than just at a certain speed when braking.


What sort of sane person would change disc and pads only on one side? Haha

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Posted 27th Nov 2012 at 22:04
eliotrw

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Location: Southwark

Registered: 18 Jul 2010

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Post #8
Well it was more the discs and pads i was asking for but hey you get some people on here so i had to check.
After that coil pack thread.... :p

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Posted 27th Nov 2012 at 22:06
sj.lucas

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Location: Petersfield

Registered: 20 Jun 2011

Posts: 174

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Post #9
Haha. Discs and pads were changed both sides! Green stuff pads which are Bloody awful and brake engineering discs

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Posted 27th Nov 2012 at 22:08
bigbadbowen

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Location: Winchester

Registered: 21 Nov 2003

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Post #10
Have you changed the rears ?

Posted 27th Nov 2012 at 22:11
eliotrw

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Post #11
Welshpugs got it then i'd say Smile

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Posted 27th Nov 2012 at 22:11
sj.lucas

Regular

Location: Petersfield

Registered: 20 Jun 2011

Posts: 174

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Post #12
Haha. Discs and pads were changed both sides! Green stuff pads which are Bloody awful and brake engineering discs

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Posted 27th Nov 2012 at 22:20
bigbadbowen

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Location: Winchester

Registered: 21 Nov 2003

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Post #13
Did you change the rears ?
Posted 27th Nov 2012 at 22:23
jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

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Post #14
Where the drive faces cleaned before the discs were fitted?? Only takes a bit of crap behind the disc to cause a wobble.

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Posted 27th Nov 2012 at 22:38
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #15
jeffers wrote:
Where the drive faces cleaned before the discs were fitted?? Only takes a bit of crap behind the disc to cause a wobble.


Either this, or knackered P-Bushes. Yes

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Posted 28th Nov 2012 at 07:06
heliosphan

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Location: UK

Registered: 14 Sep 2007

Posts: 950

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Post #16
bigbadbowen wrote:
Did you change the rears ?


bigbadbowen wrote:
Did you change the rears ?


OP, did you change the rears?

The rears where the cause of my braking wobble and I only found out after I'd replaced front brakes, droplinks, whole wishbones, ball joints and some of my sanity.
Posted 28th Nov 2012 at 07:27
swiftyboi006

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Location: Maidenhead

Registered: 12 Apr 2010

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Post #17
sj.lucas wrote:
Have a wobble on steering when braking lightly or hard at 70... have changed brakes, wheels and struts. Any sensible ideas would be great Smile
i think hes saying theres a wobble through the steering wheel so i would suspect p bushes not rear discs

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Posted 29th Nov 2012 at 15:59
dangti6

aka JKshooter

Location: Taunton, Somerset

Registered: 15 Jun 2006

Posts: 10,305

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Post #18
Recently changed the rears?

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  • Posted 29th Nov 2012 at 16:02
    heliosphan

    Senior User

    Location: UK

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    Post #19
    swiftyboi006 wrote:
    sj.lucas wrote:
    Have a wobble on steering when braking lightly or hard at 70... have changed brakes, wheels and struts. Any sensible ideas would be great Smile
    i think hes saying theres a wobble through the steering wheel so i would suspect p bushes not rear discs


    The description doesn't rule out the rear brakes.

    I could feel juddering through the wheel when I was braking and my rears were the cause...



    On a totally unrelated note, have you changed the rear bakes at all OP?
    This might be the cause of the problem and I can't believe that nobody's suggested it yet.
    Posted 29th Nov 2012 at 16:56
    stan_306gti6 Forum Admin

    Location: Kent

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    Post #20
    Deffo sounds like a P-Bush issue to me. Yes

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    Posted 29th Nov 2012 at 18:43
    bigbadbowen

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    Location: Winchester

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    Post #21
    stan_306gti6 wrote:
    Deffo sounds like a P-Bush issue to me. Yes


    Nah it's deff brake related Stan either bad installation or rear brakes shot Yes
    Posted 29th Nov 2012 at 18:46
    bigbadbowen

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    Location: Winchester

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    Post #22
    Or could be wheel balance issue ?
    Posted 29th Nov 2012 at 18:46
    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

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    Post #23
    bigbadbowen wrote:
    stan_306gti6 wrote:
    Deffo sounds like a P-Bush issue to me. Yes


    Nah it's deff brake related Stan either bad installation or rear brakes shot Yes


    I have had this *exact* problem before I got roller bearing wishbones bushes. Yes

    The bushes *looked* ok, but in actual fact they were shot.

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    Posted 29th Nov 2012 at 18:49
    mik

    Seasoned Pro

    Location: Kent

    Registered: 17 Feb 2011

    Posts: 2,100

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    Post #24
    Definitely agree with P-bushes/wishbone bushes, but these sorts of things can have more than one cause on an old car.

    Ball joint bolts torqued up? In fact all bolts?

    Overtightened wheel bolts warping the new front discs? I've had an epidemic of idiots overtightening wheels. Even when (or perhaps because!) I say "please don't over-tighten". Seems they don't want the wheel to fall off so tighten it to 200 ft lb, or they just love those rattle guns a bit too much.

    I'd also definitely clean the mating faces on both wheels and discs before changing any more parts.

    What about cr@p balancing? Cheap/well-worn tyres?

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    Posted 29th Nov 2012 at 18:55
    stan_306gti6 Forum Admin

    Location: Kent

    Registered: 18 Jan 2004

    Posts: 21,768

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    Post #25
    The front wishbone securing bolt (18mm head) not being tightened correctly has been known to cause this exact fault as well. Yes

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    Posted 29th Nov 2012 at 19:23

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